html, body {
    height: 100%;
}

header {
    height: 75px;
    background: #aad7f6 url("header.png") no-repeat left center;
    background-size: auto 100%;
    position: relative;
}

header > .welcome-word {
    position: absolute;
    left: 125px;
    bottom: 10px;
    font-weight: bold;
}

header > .welcome-word > i {
    margin: 0 5px;
    font-style: normal;
}

#logout-btn {
    color: #1e9fff;
}

.body {
    height: calc(100% - 105px);
}

.body > * {
    float: left;
}

.body::after {
    content: "";
    display: block;
    clear: both;
    width: 0;
}

aside {
    height: 100%;
    width: 200px;
    background-color: #1f1f1f;
    opacity: 0.8;
}

aside > .nav > li:hover {
    background-color: #f39b12;
}

aside > .nav > li > a {
    color: #fff;
    display: inline-block;
    width: 100%;
    height: 100%;
    padding: 10px 0;
    box-sizing: border-box;
    text-align: center;
}

.main {
    height: 100%;
    width: calc(100% - 200px);
}

footer {
    height: 30px;
    background-color: #eee;
}

footer > div {
    text-align: center;
    line-height: 30px;
}

.layui-tab {
    margin: 0;
    height: 100%;
    box-sizing: border-box;
    padding: 5px;
}

.layui-tab-content {
    padding: 0;
    height: calc(100% - 41px);
}

.layui-tab-item {
    height: 100%;
}

.layui-tab-item > iframe {
    width: 100%;
    height: 100%;
    outline: none;
    border: none;
    box-sizing: border-box;
}